Vale, D., & Mullaney, S. The Cambridge picture dictionary project book.
Lua i Stíl Chicago (17ú heag.)Vale, David, agus Stephen Mullaney. The Cambridge Picture Dictionary Project Book.
Lua MLA (8ú heag.)Vale, David, agus Stephen Mullaney. The Cambridge Picture Dictionary Project Book.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.